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Contents
Instrument Overview
........................................................................2
Instrument parts ................................................................................ 2
General description ........................................................................... 2
Displays and icons ............................................................................. 3
Start up .............................................................................................. 4
Batteries ............................................................................................ 5
Settings .............................................................................................. 6
Battery type
.................................................................................... 6
Unit for temperature measurement
.................................................. 6
Unit for bearing diameter setting
..................................................... 6
Accessories
................................................................................... 7
Shock Pulse Measurement
...................................................... 8
The Shock Pulse Method ................................................................... 8
Carpet value dBc
............................................................................. 8
Maximum value dBm
....................................................................... 8
dBm/dBc
......................................................................................... 8
Normalized shock pulse values with dBi
............................................ 9
Unnormalized readings............................................................................9
The dBm/dBc technique
................................................................... 10
Rules for measuring points................................................................ 11
Measuring points, examples
............................................................. 12
Measuring range
............................................................................. 14
Creating acceptable measuring conditions
....................................... 15
Measuring intervals
......................................................................... 16
Shock pulse transducers.................................................................... 17
Bearing Measurement
............................................................... 19
Input data .......................................................................................... 19
Entering shaft diameter and rpm for dBi calculation
.......................... 19
Entering dBi manually
...................................................................... 19
Shock pulse measurement ................................................................ 20
Transducer Line Test .......................................................................... 21
Storing measurement results ............................................................ 21
Listening to the shock pulse pattern ................................................ 22
Evaluating the Bearing Condition
........................................... 23
Identifying the shock pulse source ................................................... 24
Shock pulse patterns – condition codes ........................................... 25
Typical shock pulse patterns from rolling bearings .......................... 26
Confirming bearing damage ............................................................. 30
Evaluation flow chart .........................................................................32
Temperature Measurement
...................................................... 34
Using the Stethoscope Function
............................................. 35
Technical Specifications
............................................................. 36
Maintenance and calibration ............................................................. 37